Assignee
Inventors
- Katsuzi Sakuma (6 patents)
- Tsuyoshi Kamiya (17 patents)
- Shinichi Haneda (24 patents)
- Kazunari Azuchi (17 patents)
- Toshiyuki Inagaki (22 patents)
- Taku Matsutani (5 patents)
- Kazunobu Nuno (14 patents)
US Patent 6209934 · Granted Apr 3, 2001